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๐Ÿ” deepak garg ๐Ÿ“‚ Physics
Showing 3854 results for "deepak garg" in Physics
Physics Preprint PDF DOI

Hardware-Efficient Hamiltonian Simulation via Trotter-Initialized Variational Optimization with Native Placement

F. S. Luiz, P. N. Ferreira, M. C. de Oliveira ยท 2026

Compiling time-evolution operators of the form $U(t)=e^{-iHt}$ into hardware-native gate sequences is a central bottleneck for digital quantum simulation on noisy intermediate-scale quantum (NISQ) devโ€ฆ

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Physics Preprint PDF DOI

Reduced-order modeling of a viscoelastic turbulent jet with hybrid machine learning models

Christian Amor, Adrian Corrochano, Marco Edoardo Rosti, Soledad Le Clainche ยท 2026

Adding flexible polymers to a Newtonian solvent confers complex properties to the resulting solution. The additional complexity substantially increases the computational cost of numerical simulations,โ€ฆ

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Physics Preprint PDF DOI

Robust Metal-Insulator Transition Despite Surface Dead-Layer Growth in Sub-10-nm Cr-Doped V2O3 Nanocrystals

Yoichi Ishiwata, Ichidai Harada, Masaki Imamura, Kazutoshi Takahashi, Hirofumi Ishii, Masato Yoshimura, Nozomu Hiraoka, Yuji Inagaki, Kenta Akashi, Tatsuya Kawae, Tetsuya Kida, Masashi Nantoh ยท 2026

We investigated the size dependence of the metal-insulator transition (MIT) in Cr-doped V2O3 nanocrystals by photoemission spectroscopy using complementary probing depths, together with magnetic susceโ€ฆ

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Physics Preprint PDF DOI

CSST Preparations: Galaxy Completeness and S\'ersic Profile Fitting across the Wide, Deep, and Extreme Fields

Ziqi Ma, Si-Yue Yu, Taotao Fang, Jinyi Shangguan, Zhao-Yu Li, Luis C. Ho ยท 2026

The upcoming imaging survey of the Chinese Space-station Survey Telescope (CSST) will deliver high-resolution imaging of an unprecedented number of galaxies for galaxy studies. To understand CSST's caโ€ฆ

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Physics Preprint PDF DOI

Thermal instability in coronal loops: linking eigenvalue spectra to time-dependent evolution

Adrian Kelly, Rony Keppens, Jordi De Jonghe ยท 2026

Cool, dense condensations such as coronal rain and prominences suggest that coronal plasma can undergo runaway radiative cooling. Connecting this behaviour to linear thermal modes requires us to fullyโ€ฆ

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Physics Preprint PDF DOI

Observation of Erratic Non-Hermitian Skin Effect in Phononic Crystals

Yujian Yuan, Jie Liu, He Gao, Jiamin Guo, Zhongming Gu, Jie Zhu ยท 2026

The erratic non-Hermitian skin effect (ENHSE), emerging from the interplay between disorders and locally nonreciprocal yet globally reciprocal couplings, has reshaped the conventional bulk-boundary coโ€ฆ

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Physics Preprint PDF DOI

Fraunhofer Patterns in Atomic Josephson Junctions

Kevin T. Geier, Giampiero Marchegiani, Vijay Pal Singh, Juan Polo, Luigi Amico ยท 2026

Driven atomic Josephson junctions allow one to monitor phase-coherent dynamics with unprecedented control and flexibility of the system's physical conditions. While cold-atom manifestations of the Josโ€ฆ

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Physics Preprint PDF DOI

Resonance Frequency Shift Measurements of SRF Cavities at DESY

Rezvan Ghanbari, Thorsten Buettner, Wolfgang Hillert, Karol Kasprzak, Tom Krokotsch, Ricardo Monroy-Villa, Detlef Reschke, Lea Steder, Alexey Sulimov, Hans Weise, Marc Wenskat, Mateusz Wiencek, Jonas Wolff ยท 2026

The variation of the resonance frequency and intrinsic quality factor of superconducting radio-frequency cavities during the transition from the superconducting to the normal-conducting state providesโ€ฆ

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Physics Preprint PDF DOI

Dive deeper with SUBMARINE: SUB-Mev dArk matter diRect detectIon using bilayer grapheNE

Rinchen Sherpa, Anuvab Sarkar, Tarak Nath Maity, Paramita Dutta, Ranjan Laha, Anirban Das ยท 2026

Novel target materials with anisotropic response will play a key role in detecting low-mass dark matter in upcoming experiments. Bilayer graphene is one such material that has been proposed for the deโ€ฆ

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Physics Preprint PDF DOI

Chaotic dynamics of charged particles near weakly magnetized black holes in Einstein-ModMax Theory

Zijian Liu, Wenfu Cao ยท 2026

This paper presents a systematic study of the chaotic dynamics of charged test particles around purely magnetically charged black holes immersed in a uniform external magnetic field within the framewoโ€ฆ

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Physics Preprint PDF DOI

The Feedback Hamiltonian is the Score Function: A Diffusion-Model Framework for Quantum Trajectory Reversal

Sagar Dubey, Alan John ยท 2026

In continuously monitored quantum systems, the feedback protocol of Garc\'ia-Pintos, Liu, and Gorshkov reshapes the arrow of time: a Hamiltonian $H_{\mathrm{meas}} = r A / \tau$ applied with gain $X$ โ€ฆ

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Physics Preprint PDF DOI

Design and preliminary performance study of the broad-band spectrometer detector for POLAR-2

Jian-Chao Sun, Jiang He, Shuang-Nan Zhang, Shao-Lin Xiong, Jiang-Tao Liu, Yan-Bing Xu, Jia Ma, Shuo Wang, Lei Shuai, Xiu-Zuo Liang, Hong-Bang Liu, Fei Xie, Ming Zeng, Philipp Azzarello, Joerg Bayer, Franck Cadoux, Nicolas De Angelis, Huan-Bo Feng, Zu-Ke Feng, Min Gao, Ramandeep Gill, Jonathan Granot, Jochen Greiner, Alejandro Guzman, Jin-Xiu Hu, Yue Huang, Johannes Hulsman, Zheng-Huo Jiang, Merlin Kole, Dao-Wu Li, Han-Cheng Li, Tong-Lei Liao, Long Peng, Agnieszka Pollo, Nicolas Produit, Dominik Rybka, Andrea Santangelo, Li-Ming Song, Chris Tenzer, Xiao-Ming Wang, Yuan-Hao Wang, Bo-Bing Wu, Pei-Lian Wu, Xin Wu, Shuo Xiao, Sheng Yang, Lai-Yu Zhang, Lei Zhang, Yong-Jie Zhang ยท 2026

POLAR-2, the successor of the POLAR experiment aboard China's Tiangong-2 space lab, is set to be deployed on the China Space Station. The POLAR-2 mission aims to conducting high-precision polarizationโ€ฆ

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Physics Preprint PDF DOI

Quantum mechanics over real numbers fully reproduces standard quantum theory

Alan C. Maioli, Evaldo M. F. Curado, Jean-Pierre Gazeau ยท 2026

Standard quantum mechanics employs complex Hilbert spaces, but whether complex numbers are fundamental or merely convenient has long been debated. For decades, real-valued equivalents were considered โ€ฆ

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Physics Preprint PDF DOI

Active-region Modulation of Subsurface Meridional Flows and Magnetic Flux Transport on the Sun

Anisha Sen, S.P. Rajaguru, Ruizhu Chen, Junwei Zhao, Shukur Kholikov ยท 2026

Using time-distance helioseismology applied to 14-years of SDO/HMI observations spanning solar cycle 24 and rising phase of cycle 25, we present evidence that meridional flows in the lower half of theโ€ฆ

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Physics Preprint PDF DOI

Refined 3D index

Dongmin Gang, Kibok Jeong, Taeyoon Kim, Soochang Lee ยท 2026

We introduce a refined version of the 3D index for 3-manifolds, building on the construction of the 3D $\mathcal{N}=2$ gauge theory $T[M]$ by Dimofte-Gaiotto-Gukov and Gang-Yonekura. The refined indexโ€ฆ

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Classically Forbidden Signatures of Quantum Coherence in the Mesoscopic Lipkin-Meshkov-Glick Model

Stavros Mouslopoulos ยท 2026

We derive strict quantitative conditions under which a collective quantum system of N~370 spins exhibits classically forbidden temporal correlations in a spinor Bose-Einstein condensate (BEC). The Lipโ€ฆ

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Unraveling the significance of Raman modes, Gruneisen parameters and phonon lifetimes in the hexagonal allotropes of Silicon and Germanium compounds

Lekshmi S M, Upasana Agrawal, Akarsh Jain, Siddharth Sastri, Suvadip Das ยท 2026

Advancement in quantum information and quantum technologies has ushered in a new era of technological revolution in large scale atomistic simulation and efficient system on a chip device fabrication. โ€ฆ

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Physics Preprint PDF DOI

Transiently accelerating cosmological model with Gong-Zhang parametrization in $f(T)$ teleparallel gravity

Khomesh R. Patle, G. P. Singh ยท 2026

We present the cosmic expansion scenario in the framework of $f(T)$ gravity by employing a dark energy equation of state (EoS) parameter. Specifically, we proceed with the power-law form of the functiโ€ฆ

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Physics Preprint PDF DOI

Deeper analysis of Fermi-LAT unassociated 4FGL J2112.5-3043 for possible identification

Federica Giacchino, Cristina Fernandez-Suarez, Miguel A Sanchez-Conde, M.Angeles Perez-Garcia, Stefano Ciprini, Dario Gasparrini ยท 2026

In the 4FGL-DR4 point-source catalog of the Large Area Telescope (LAT) onboard NASA's Fermi Gamma-ray Observatory (Fermi-LAT), around a third of the sources are still unidentified (unIDs). In this worโ€ฆ

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Physics Preprint PDF DOI

Revisiting Ca II Activity Indices in FGK Stars: Systematic Biases in Infrared Triplet Measurements

Xiaozhen Yang, Xiaoting Fu, Mingjie Jian, Jingkun Zhao, Hailong Yuan, Zhongrui Bai, Mengxin Wang, Yiqiao Dong, Mingkuan Yang, Ziyue Jiang, Qian Liu, Ganyu Li, Haotong Zhang ยท 2026

Synthetic-template subtraction is widely used to measure chromospheric activity in large spectroscopic surveys. However, many solar-like FGK stars show systematically negative Ca II infrared triplet (โ€ฆ

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